jennifer hudson, too, looked absolutely amazing. sang beautifully. the president, we know he loves al green. know he loves "let's stay together." i thought that was a magical, magical moment. >> i have to say, for all of you watching at home, in the old days, they come to the ball, there's the tv cameras. this is 40,000 people, here, they say it could be that many. >> yeah. >> and you're out there on the stage, and you're dancing alone. for an entire song, alone. it's not like the first dance at your wedding. >> i danced at my wedding in front of 52 people. >> you're sitting there with their screens up and you have to get through the whole song. they're probably whispering in each other's ears. >> you got married a few weeks ago. how many people were at your first dance? >> we did a little -- >> vice president joe biden is upstairs at the commander in chief's ball. >> ladies and gentlemen, oscar and grammy winner jamie foxx. >> please make some noise for an incredible day today, please. now i'm sure after this wonderful day today, you will probably w